libctru/libctru/source/services/soc.c

857 lines
18 KiB
C

#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <fcntl.h>
#include <stdarg.h>
#include <errno.h>
#include <string.h>
#include <3ds.h>
Handle SOCU_handle = 0;
static int SOCU_errno = 0;
static Handle socMemhandle = 0;
#define NET_UNKNOWN_ERROR_OFFSET -10000//This is from libogc network_wii.c.
static u8 _net_error_code_map[] = { //This is based on the array from libogc network_wii.c.
0, // 0
E2BIG,
EACCES,
EADDRINUSE,
EADDRNOTAVAIL,
EAFNOSUPPORT, // 5
EAGAIN,
EALREADY,
EBADF,
EBADMSG,
EBUSY, // 10
ECANCELED,
ECHILD,
ECONNABORTED,
ECONNREFUSED,
ECONNRESET, // 15
EDEADLK,
EDESTADDRREQ,
EDOM,
EDQUOT,
EEXIST, // 20
EFAULT,
EFBIG,
EHOSTUNREACH,
EIDRM,
EILSEQ, // 25
EINPROGRESS,
EINTR,
EINVAL,
EIO,
EISCONN, // 30
EISDIR,
ELOOP,
EMFILE,
EMLINK,
EMSGSIZE, // 35
EMULTIHOP,
ENAMETOOLONG,
ENETDOWN,
ENETRESET,
ENETUNREACH, // 40
ENFILE,
ENOBUFS,
ENODATA,
ENODEV,
ENOENT, // 45
ENOEXEC,
ENOLCK,
ENOLINK,
ENOMEM,
ENOMSG, // 50
ENOPROTOOPT,
ENOSPC,
ENOSR,
ENOSTR,
ENOSYS, // 55
ENOTCONN,
ENOTDIR,
ENOTEMPTY,
ENOTSOCK,
ENOTSUP, // 60
ENOTTY,
ENXIO,
EOPNOTSUPP,
EOVERFLOW,
EPERM, // 65
EPIPE,
EPROTO,
EPROTONOSUPPORT,
EPROTOTYPE,
ERANGE, // 70
EROFS,
ESPIPE,
ESRCH,
ESTALE,
ETIME, // 75
ETIMEDOUT,
};
static s32 _net_convert_error(s32 sock_retval)//This is based on the function from libogc network_wii.c.
{
if (sock_retval >= 0) return sock_retval;
if (sock_retval < -sizeof(_net_error_code_map)
|| !_net_error_code_map[-sock_retval])
return NET_UNKNOWN_ERROR_OFFSET + sock_retval;
return -_net_error_code_map[-sock_retval];
}
Result socu_cmd1(Handle memhandle, u32 memsize)
{
Result ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00010044;
cmdbuf[1] = memsize;
cmdbuf[2] = 0x20;
cmdbuf[4] = 0;
cmdbuf[5] = memhandle;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
return cmdbuf[1];
}
Result SOC_Shutdown()
{
Result ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00190000;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
svcCloseHandle(SOCU_handle);
svcCloseHandle(socMemhandle);
return cmdbuf[1];
}
Result SOC_Initialize(u32 *context_addr, u32 context_size)
{
Result ret=0;
ret = svcCreateMemoryBlock(&socMemhandle, (u32)context_addr, context_size, 0, 3);
if(ret!=0)return ret;
if((ret = srvGetServiceHandle(&SOCU_handle, "soc:U"))!=0)return ret;
return socu_cmd1(socMemhandle, context_size);
}
int SOC_GetErrno()
{
return SOCU_errno;
}
int socket(int domain, int type, int protocol)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x000200C2;
cmdbuf[1] = domain;
cmdbuf[2] = type;
cmdbuf[3] = protocol;
cmdbuf[4] = 0x20;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
SOCU_errno = ret;
if(ret!=0)return -1;
return _net_convert_error(cmdbuf[2]);
}
int closesocket(int sockfd)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x000B0042;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = 0x20;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret =_net_convert_error(cmdbuf[2]);
SOCU_errno = ret;
if(ret!=0)return -1;
return 0;
}
int shutdown(int sockfd, int shutdown_type)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x000C0082;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)shutdown_type;
cmdbuf[3] = 0x20;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
SOCU_errno = ret;
if(ret!=0)return -1;
return 0;
}
int listen(int sockfd, int max_connections)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00030082;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)max_connections;
cmdbuf[3] = 0x20;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
SOCU_errno = ret;
if(ret!=0)return -1;
return 0;
}
int accept(int sockfd, struct sockaddr *addr, int *addrlen)
{
int ret=0;
int tmp_addrlen=0x1c;
u32 *cmdbuf = getThreadCommandBuffer();
u8 tmpaddr[0x1c];
u32 saved_threadstorage[2];
memset(tmpaddr, 0, 0x1c);
cmdbuf[0] = 0x00040082;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)tmp_addrlen;
cmdbuf[3] = 0x20;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = (tmp_addrlen<<14) | 2;
cmdbuf[0x104>>2] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret>=0 && addr!=NULL)
{
addr->sa_family = tmpaddr[1];
if(*addrlen > tmpaddr[0])*addrlen = tmpaddr[0];
memcpy(addr->sa_data, &tmpaddr[2], *addrlen - 2);
}
if(ret<0)return -1;
return ret;
}
int bind(int sockfd, const struct sockaddr *addr, int addrlen)
{
int ret=0;
int tmp_addrlen=0;
u32 *cmdbuf = getThreadCommandBuffer();
u8 tmpaddr[0x1c];
memset(tmpaddr, 0, 0x1c);
if(addr->sa_family == AF_INET)
{
tmp_addrlen = 8;
}
else
{
tmp_addrlen = 0x1c;
}
if(addrlen < tmp_addrlen)
{
SOCU_errno = -EINVAL;
return -1;
}
tmpaddr[0] = tmp_addrlen;
tmpaddr[1] = addr->sa_family;
memcpy(&tmpaddr[2], &addr->sa_data, tmp_addrlen-2);
cmdbuf[0] = 0x00050084;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)tmp_addrlen;
cmdbuf[3] = 0x20;
cmdbuf[5] = (((u32)tmp_addrlen)<<14) | 2;
cmdbuf[6] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
SOCU_errno = ret;
if(ret<0)return -1;
return 0;
}
int connect(int sockfd, const struct sockaddr *addr, int addrlen)
{
int ret=0;
int tmp_addrlen=0;
u32 *cmdbuf = getThreadCommandBuffer();
u8 tmpaddr[0x1c];
memset(tmpaddr, 0, 0x1c);
if(addr->sa_family == AF_INET)
{
tmp_addrlen = 8;
}
else
{
tmp_addrlen = 0x1c;
}
if(addrlen < tmp_addrlen)
{
SOCU_errno = -EINVAL;
return -1;
}
tmpaddr[0] = tmp_addrlen;
tmpaddr[1] = addr->sa_family;
memcpy(&tmpaddr[2], &addr->sa_data, tmp_addrlen-2);
cmdbuf[0] = 0x00060084;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)addrlen;
cmdbuf[3] = 0x20;
cmdbuf[5] = (((u32)tmp_addrlen)<<14) | 2;
cmdbuf[6] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
SOCU_errno = ret;
if(ret<0)return -1;
return 0;
}
int socuipc_cmd7(int sockfd, void *buf, int len, int flags, struct sockaddr *src_addr, int *addrlen)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 tmp_addrlen=0;
u8 tmpaddr[0x1c];
u32 saved_threadstorage[2];
memset(tmpaddr, 0, 0x1c);
if(src_addr)tmp_addrlen = 0x1c;
cmdbuf[0] = 0x00070104;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)len;
cmdbuf[3] = (u32)flags;
cmdbuf[4] = (u32)tmp_addrlen;
cmdbuf[5] = 0x20;
cmdbuf[7] = (((u32)len)<<4) | 12;
cmdbuf[8] = (u32)buf;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = (tmp_addrlen<<14) | 2;
cmdbuf[0x104>>2] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret>0 && src_addr!=NULL)
{
src_addr->sa_family = tmpaddr[1];
if(*addrlen > tmpaddr[0])*addrlen = tmpaddr[0];
memcpy(src_addr->sa_data, &tmpaddr[2], *addrlen - 2);
}
if(ret<0)return -1;
return ret;
}
int socuipc_cmd8(int sockfd, void *buf, int len, int flags, struct sockaddr *src_addr, int *addrlen)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 tmp_addrlen=0;
u8 tmpaddr[0x1c];
u32 saved_threadstorage[4];
if(src_addr)tmp_addrlen = 0x1c;
memset(tmpaddr, 0, 0x1c);
cmdbuf[0] = 0x00080102;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)len;
cmdbuf[3] = (u32)flags;
cmdbuf[4] = (u32)tmp_addrlen;
cmdbuf[5] = 0x20;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
saved_threadstorage[2] = cmdbuf[0x108>>2];
saved_threadstorage[3] = cmdbuf[0x10c>>2];
cmdbuf[0x100>>2] = (((u32)len)<<14) | 2;
cmdbuf[0x104>>2] = (u32)buf;
cmdbuf[0x108>>2] = (tmp_addrlen<<14) | 2;
cmdbuf[0x10c>>2] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
cmdbuf[0x108>>2] = saved_threadstorage[2];
cmdbuf[0x10c>>2] = saved_threadstorage[3];
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret>0 && src_addr!=NULL)
{
src_addr->sa_family = tmpaddr[1];
if(*addrlen > tmpaddr[0])*addrlen = tmpaddr[0];
memcpy(src_addr->sa_data, &tmpaddr[2], *addrlen - 2);
}
if(ret<0)return -1;
return ret;
}
int socuipc_cmd9(int sockfd, const void *buf, int len, int flags, const struct sockaddr *dest_addr, int addrlen)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 tmp_addrlen=0;
u8 tmpaddr[0x1c];
memset(tmpaddr, 0, 0x1c);
if(dest_addr)
{
if(dest_addr->sa_family == AF_INET)
{
tmp_addrlen = 8;
}
else
{
tmp_addrlen = 0x1c;
}
if(addrlen < tmp_addrlen)
{
SOCU_errno = -EINVAL;
return -1;
}
tmpaddr[0] = tmp_addrlen;
tmpaddr[1] = dest_addr->sa_family;
memcpy(&tmpaddr[2], &dest_addr->sa_data, tmp_addrlen-2);
}
cmdbuf[0] = 0x00090106;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)len;
cmdbuf[3] = (u32)flags;
cmdbuf[4] = (u32)tmp_addrlen;
cmdbuf[5] = 0x20;
cmdbuf[7] = (tmp_addrlen<<14) | 0x402;
cmdbuf[8] = (u32)tmpaddr;
cmdbuf[9] = (((u32)len)<<4) | 10;
cmdbuf[10] = (u32)buf;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret<0)return -1;
return ret;
}
int socuipc_cmda(int sockfd, const void *buf, int len, int flags, const struct sockaddr *dest_addr, int addrlen)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 tmp_addrlen=0;
u8 tmpaddr[0x1c];
memset(tmpaddr, 0, 0x1c);
if(dest_addr)
{
if(dest_addr->sa_family == AF_INET)
{
tmp_addrlen = 8;
}
else
{
tmp_addrlen = 0x1c;
}
if(addrlen < tmp_addrlen)
{
SOCU_errno = -EINVAL;
return -1;
}
tmpaddr[0] = tmp_addrlen;
tmpaddr[1] = dest_addr->sa_family;
memcpy(&tmpaddr[2], &dest_addr->sa_data, tmp_addrlen-2);
}
cmdbuf[0] = 0x000A0106;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)len;
cmdbuf[3] = (u32)flags;
cmdbuf[4] = (u32)tmp_addrlen;
cmdbuf[5] = 0x20;
cmdbuf[7] = (((u32)len)<<14) | 0x802;
cmdbuf[8] = (u32)buf;
cmdbuf[9] = (tmp_addrlen<<14) | 0x402;
cmdbuf[10] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret<0)return -1;
return ret;
}
int recvfrom(int sockfd, void *buf, int len, int flags, struct sockaddr *src_addr, int *addrlen)
{
if(len<0x2000)return socuipc_cmd8(sockfd, buf, len, flags, src_addr, addrlen);
return socuipc_cmd7(sockfd, buf, len, flags, src_addr, addrlen);
}
int sendto(int sockfd, const void *buf, int len, int flags, const struct sockaddr *dest_addr, int addrlen)
{
if(len<0x2000)return socuipc_cmda(sockfd, buf, len, flags, dest_addr, addrlen);
return socuipc_cmd9(sockfd, buf, len, flags, (struct sockaddr*)dest_addr, addrlen);
}
int recv(int sockfd, void *buf, int len, int flags)
{
return recvfrom(sockfd, buf, len, flags, NULL, 0);
}
int send(int sockfd, const void *buf, int len, int flags)
{
return sendto(sockfd, buf, len, flags, NULL, 0);
}
int getsockopt(int sockfd, int level, int option_name, void * data, int * data_len)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 saved_threadstorage[2];
cmdbuf[0] = 0x00110102;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)level;
cmdbuf[3] = (u32)option_name;
cmdbuf[4] = (u32)*data_len;
cmdbuf[5] = 0x20;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = ((*data_len)<<14) | 2;
cmdbuf[0x104>>2] = (u32)data;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret==0)*data_len = cmdbuf[3];
if(ret<0)return -1;
return ret;
}
int setsockopt(int sockfd, int level, int option_name, const void * data, int data_len)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00120104;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)level;
cmdbuf[3] = (u32)option_name;
cmdbuf[4] = (u32)data_len;
cmdbuf[5] = 0x20;
cmdbuf[7] = (data_len<<14) | 0x2402;
cmdbuf[8] = (u32)data;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret<0)return -1;
return ret;
}
int fcntl(int sockfd, int cmd, ...)
{
int ret=0;
int arg=0;
u32 *cmdbuf = getThreadCommandBuffer();
va_list args;
if(cmd!=F_GETFL && cmd!=F_SETFL)
{
SOCU_errno = -EINVAL;
return -1;
}
va_start(args, cmd);
if(cmd==F_SETFL)
{
arg = va_arg(args, int);
if(arg && arg!=O_NONBLOCK)
{
SOCU_errno = -EINVAL;
va_end(args);
return -1;
}
if(arg==O_NONBLOCK)arg = 0x4;
}
va_end(args);
cmdbuf[0] = 0x001300C2;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)cmd;
cmdbuf[3] = (u32)arg;
cmdbuf[4] = 0x20;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret<0)return -1;
return ret;
}
int sockatmark(int sockfd)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00150042;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = 0x20;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret<0)return -1;
return ret;
}
long gethostid()
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00160000;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
ret = (int)cmdbuf[1];
if(ret==0)ret = cmdbuf[2];
return ret;
}
int getsockname(int sockfd, struct sockaddr *addr, int * addr_len)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 saved_threadstorage[2];
u8 tmpaddr[0x1c];
cmdbuf[0] = 0x00170082;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = 0x1c;
cmdbuf[3] = 0x20;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = (0x1c<<14) | 2;
cmdbuf[0x104>>2] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret==0)
{
addr->sa_family = tmpaddr[1];
if(*addr_len > tmpaddr[0])*addr_len = tmpaddr[0];
memset(addr, 0, sizeof(struct sockaddr));
memcpy(addr->sa_data, &tmpaddr[2], *addr_len - 2);
}
if(ret<0)return -1;
return ret;
}
int getpeername(int sockfd, struct sockaddr *addr, int * addr_len)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 saved_threadstorage[2];
u8 tmpaddr[0x1c];
cmdbuf[0] = 0x00180082;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = 0x1c;
cmdbuf[3] = 0x20;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = (0x1c<<14) | 2;
cmdbuf[0x104>>2] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret==0)
{
addr->sa_family = tmpaddr[1];
if(*addr_len > tmpaddr[0])*addr_len = tmpaddr[0];
memset(addr, 0, sizeof(struct sockaddr));
memcpy(addr->sa_data, &tmpaddr[2], *addr_len - 2);
}
if(ret<0)return -1;
return ret;
}
#define MAX_HOSTENT_RESULTS 16
static struct hostent SOC_hostent;
static char *SOC_hostent_results[MAX_HOSTENT_RESULTS+1];
static char *SOC_hostent_alias = NULL;
struct hostent * gethostbyname(const char * name)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 saved_threadstorage[2];
static u8 outbuf[0x1A88];
cmdbuf[0] = 0x000D0082;
cmdbuf[1] = strlen(name)+1;
cmdbuf[2] = sizeof(outbuf);
cmdbuf[3] = ((strlen(name)+1) << 14) | 0xC02;
cmdbuf[4] = (u32)name;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = (sizeof(outbuf) << 14) | 2;
cmdbuf[0x104>>2] = (u32)outbuf;
if(( ret = svcSendSyncRequest(SOCU_handle))!=0)return NULL;
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
ret = (int)cmdbuf[1];
if(ret==0)ret = _net_convert_error(cmdbuf[2]);
if(ret<0)SOCU_errno = ret;
if(ret<0)return NULL;
u32 num_results, i;
memcpy(&num_results, (char*)outbuf+4, sizeof(num_results));
if(num_results > MAX_HOSTENT_RESULTS)
num_results = MAX_HOSTENT_RESULTS;
SOC_hostent.h_name = (char*)outbuf + 8;
SOC_hostent.h_aliases = &SOC_hostent_alias;
SOC_hostent.h_addrtype = AF_INET;
SOC_hostent.h_length = 4;
SOC_hostent.h_addr_list = SOC_hostent_results;
SOC_hostent_alias = NULL;
for(i = 0; i < num_results; ++i)
SOC_hostent_results[i] = (char*)outbuf + 0x1908 + i*0x10;
SOC_hostent_results[num_results] = NULL;
return &SOC_hostent;
}